SDS
Esecuzione
Submersible borehole pumps for 6” wells (DN 150 mm), 8” (DN 200 mm) e 10″
(DN 250 mm), 12” (DN 300 mm), 14” (DN 350 mm), 18” (DN 450 mm), with
stages in cast iron or in steel, (on request).
Applicazioni
For water supply systems.
For civil and industrial applications.
For fire fighting applications.
For irrigation.
Limiti impiego
Liquid temperature:
up to a 25 °C.
Maximum amount of sand in the water:
— 100 g/m3 SDS 6,8″
— 40 g/m3 SDS 10,12,14,18″
— 150 g/m3 I-SDS 6,8,10″, I-SDR 6″
Continuous duty.
Motore
2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
With water wetted winding in rewindable execution.
Sized for connection to the pumps according to NEMA Standards.
Standard voltages:
— single-phase230 V — up to 2,2 kW for 4” motors.
— three-phase 230 V; 400 V for 4” motors.
— three-phase 400 V; 400/690 V for 6-8-10” motors.
Voltage tolerance : ± 10%.
Insulation class:
— class F for 4” motors,
— class E for 6” motors, PVC for I-6” (I-6” 45 kW A (PE2+PA)).
— PVC for 8”
— PVC for 10” (10” 170kW and 190 kW A (PE2+PA))
Protection IP 68.
Installation below water level: 200 m for 4”, 150 m for 6”, 500 m for 8,10”
Motor suitable operation with frequency converter (with suitable filter dv/dt).
Horizontal installation (6″ 37-45kW, 8″ 92kW, 10″ 170-190 kW excluded).
Continuous duty.
Case History
Case History







